QML var property emits change notification when unchanged

import QtQuick 2.4

Item {
    id: root

    property int theNum

    onTheNumChanged: {
        console.log("theNum", theNum)
    }

    property var theOtherNum : 10

    onTheOtherNumChanged: {
        console.log("theOtherNum", theOtherNum)
    }

    Timer {
        running: true
        repeat: true
        property bool invert
        onTriggered: {
            theNum = JSON.parse(JSON.stringify(theNum))
            theOtherNum = JSON.parse(JSON.stringify(theOtherNum))
        }
    }
}

qml: theOtherNum 10
qml: theOtherNum 10
qml: theOtherNum 10
qml: theOtherNum 10